| 新20号井水位异常特征分析 |
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| 引用本文： | 朱成英,高小其.新20号井水位异常特征分析[J].内陆地震,2011,25(2):158-165. |
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| 作者姓名： | 朱成英 高小其 |
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| 作者单位： | 新疆维吾尔自治区地震局,新疆,乌鲁木齐,830011 |
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| 基金项目： | 2010年度震情跟踪专题，新疆地震科学基金，国家局三结合 |
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| 摘 要： | 运用mapsis软件前兆异常分析中的差分、从属函数和变差对新20号井水位进行异常识别,结果认为:(1)差分、从属函数和变差异常形态均为高值异常;(2)差分和变差对近场M<,s>≥5地震漏报率较高,但有异常出现时,后续往往有地震对应,而从属函数对近场M<,s>≥5映震率为66.7%,对远场M<,s>≥7映震率为71.4%...
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| 关 键 词： | 新20号井 异常特征 差分 从属函数 变差 |
ANALYSIS ON ABNORMAL CHARACTERISTICS OF WATER LEVEL OF NEW NO.20 WELL |
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| ZHU Cheng-ying,GAO Xiao-qi.ANALYSIS ON ABNORMAL CHARACTERISTICS OF WATER LEVEL OF NEW NO.20 WELL[J].Inland Earthquake,2011,25(2):158-165. |
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| Authors: | ZHU Cheng-ying GAO Xiao-qi |
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| Institution: | (Earthquake Administration of Xinjiang Uygur Autonomous Region,Urumqi 830011,China) |
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| Abstract: | Using difference,subordinate function and variogram methods in Mapseis soft to analyze the anomaly of water level in New No.20 well,the result shows,（1） the abnormal configuration is high value anomaly;（2） the missed event ratio of difference and variogram is high for the MS≥5 earthquakes in the near region;once the abnormities appear,there will be corresponding earthquakes occurring;the reflection ratio is 66.7% for the subordinate function in the near region and 71.4% for the MS≥7 in the far region;（3）it is positive relation between maximum abnormal range and magnitude for difference,but it is reverse relation between maximum abnormal range and epicenter distance for difference;though there is inconspicuous relation between maximum abnormal range and magnitude for subordinate function,it is reverse relation between maximum abnormal range and epicenter distance;the earthquake cases is less for variogram,so it is not analyzed in this paper. |
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| Keywords: | New No 20 well Abnormal characteristics Difference Subordinate function Variogram |
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